Testing Exendin PET, a new imaging technique, for imaging paragangliomas

2024-516755-40-00 Therapeutic exploratory (Phase II) Ongoing, recruiting

Start 27 Sep 2024 · Status Ongoing, recruiting · 1 EU/EEA countries · 1 sites

Overview

Sponsor-declared trial summary

Phase Therapeutic exploratory (Phase II)
Status Ongoing, recruiting
Participants planned 10
Countries 1
Sites 1

paragangliomas

The main study aim of the study is to examine the feasibility of detecting PGLs using 68Ga-exendin-4 PET/CT.

Key facts

Sponsor
Stichting Radboud universitair medisch centrum
Participant type
Patients
Age range
18-64 years, 65+ years
Gender
Male and Female
Therapeutic area
Diseases [C] - Pathological Conditions, Signs and Symptoms [C23], Diseases [C] - Hormonal diseases [C19]
Trial duration
27 Sep 2024 → ongoing
Decision date (initial)
2024-09-27
Transition trial
Yes
Low-intervention
No
Rare-disease indication
No
Vulnerable population
No

External identifiers

EU CT number
2024-516755-40-00
EudraCT number
2021-000194-93
ClinicalTrials.gov
NCT05418907

Trial design

CTIS Part I — objectives, methods, condition coding

Main objective

Scope: Safety, Efficacy, Diagnosis

The main study aim of the study is to examine the feasibility of detecting PGLs using 68Ga-exendin-4 PET/CT.

Secondary objectives 5

  1. Determining the optimal timepoint for imaging PGLs using 68Ga-exendin-4 PET/CT.
  2. Comparing semi-quantitative imaging parameters (SUV, tumor-to-background ratio, contract-to-noise ratio) between 68Ga-exendin-4 PET/CT and SSTR PET/CT
  3. Assessing the correlation between GLP-1R expression and tracer uptake in PGLs
  4. Correlating quantitative imaging results and IHC data
  5. Assessing safety / side effects of 68Ga-exendin-4 in patients with PGL

Conditions and MedDRA coding

paragangliomas

Eligibility criteria

Principal inclusion / exclusion criteria as submitted by sponsor

Inclusion criteria 5

  1. • Proven sympathetic PGL with a single tumor detected using standard diagnostic imaging
  2. • No evidence of metastatic disease
  3. • CT and SSTR PET/CT performed (golden standard diagnostic imaging)
  4. • Scheduled for surgery
  5. • Able to sign informed consent

Exclusion criteria 6

  1. • Breast feeding
  2. • Pregnancy or the wish to become pregnant within 1 month
  3. • Calculated creatinine clearance below 40ml/min
  4. • Evidence of other malignancy than PGL in conventional imaging (suspicious liver, bone and lung lesions)
  5. • Age < 18 years
  6. • Not able to sign informed consent

Endpoints

Primary and secondary outcome measures (English text)

Primary endpoints 1

  1. Detection rate of PGLs (paragangliomas) using 68Ga-exendin-4 PET/CT

Secondary endpoints 4

  1. optimal timepoint for imaging PGLs using 68Ga-exendin-4 PET/CT
  2. Comparison of quantitative imaging paramters (SUV, tumor-to-background ratio, contract-to-noise ratio) between Optimal timepoint for imaging PGLs using 68Ga-exendin-4 PET/CT, 18F-FDG PET and SSTR PET
  3. correlation between GLP-1R expression and tracer uptake in the PGLs
  4. Correlation quantitative imaging results and IHC data to the genetic origin of the PGLs

Investigational products

Investigational medicinal products (IMPs), comparators, placebo, auxiliary

Test 1

Exenatide

SCP23185750 · ATC

Active substance
Exenatide
Substance synonyms
EXENDIN-4, LY-2148568, HIS-GLY-GLU-GLY-THR-PHE-THR-SER-ASP-LEU-SER-LYS-GLN-MET-GLU-GLU-GLU-ALA-VAL-ARG-LEU-PHE-ILE-GLU-TRP-LEU-LYS-ASN-GLY-GLY-PRO-SER-SER-GLY-ALA-PRO-PRO-PRO-SER-NH2, AC-2993
Route of administration
INTRAVENOUS BOLUS INJECTION/IV INFUSION
Max daily dose
100 MBq megabecquerel(s)
Max total dose
100 MBq megabecquerel(s)
Max treatment duration
1 Day(s)
Authorisation status
Authorised
ATC code
A10BJ01 — EXENATIDE
Marketing authorisation
-
Paediatric formulation
No
Orphan designation
Yes
Orphan designation number
EMA/OD/0000028068
Modified vs. Marketing Authorisation
Yes
Modification description
C-terminal modification with Lys, chelator NODAGA attached via AHX spacer for labelling with Ga68

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

Stichting Radboud universitair medisch centrum

Sponsor organisation
Stichting Radboud universitair medisch centrum
Address
Geert Grooteplein Zuid 10
City
Nijmegen
Postcode
6525 GA
Country
Netherlands

Scientific contact point

Organisation
Stichting Radboud universitair medisch centrum
Contact name
Sevilay Tokgöz

Public contact point

Organisation
Stichting Radboud universitair medisch centrum
Contact name
Sevilay Tokgöz

Locations

1 EU/EEA country · 1 investigational sites

By country

CountryMS statusPlanned subjectsSites
Netherlands Ongoing, recruiting 10 1
Rest of world 0

Investigational sites

Netherlands

1 site · Ongoing, recruiting
Radboud universitair medisch centrum Stichting
Medical imaging, Geert Grooteplein Zuid 10, 6525 GA, Nijmegen

Country notifications

Trial-start, recruitment-start, end and early-termination notifications submitted per Member State

Country Trial startTrial end Recruitment startRecruitment end Early termination
Netherlands 2024-09-27 2024-09-27

Results and documents

Annex IV summary of results, Annex V layperson summary, and all documents registered in CTIS for this trial

Documents 4 files

Public protocol annexes, IB summaries, regulatory submissions and post-authorisation documents registered in CTIS.

TypeTitleVersion
Protocol (for publication) D1_Protocol 2024-516755-40-00 2
Recruitment arrangements (for publication) K1_blank_document_Recruitment_arrangements 1
Subject information and informed consent form (for publication) L1_SIS and ICF 1.2
Subject information and informed consent form (for publication) L1_SIS and ICF first 5 patients 1.2

Application history

1 submissions — initial application plus substantial / non-substantial modifications

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2024-09-02 Netherlands Acceptable with conditions
2024-09-27
2024-09-27